ZDI-12-029 : IBM Rational Rhapsody BBFlashBack.Recorder.1 InsertMarker Remote Code Execution Vulnerability

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ZDI-12-029 : IBM Rational Rhapsody BBFlashBack.Recorder.1 InsertMarker
Remote Code Execution Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-12-029
February 8, 2012

• – CVE ID:
  CVE-2011-1391

• – CVSS:
  9, AV:N/AC:L/Au:N/C:P/I:P/A:C

• – Affected Vendors:

IBM

• – Affected Products:

IBM Rational Rhapsody

• – TippingPoint(TM) IPS Customer Protection:
  TippingPoint IPS customers have been protected against this
  vulnerability by Digital Vaccine protection filter ID 12043.
  For further product information on the TippingPoint IPS, visit:

  http://www.tippingpoint.com

• – Vulnerability Details:
  This vulnerability allows remote attackers to execute arbitrary code on
  vulnerable installations of IBM Rational Rhapsody. User interaction is
  required to exploit this vulnerability in that the target must visit a
  malicious page or open a malicious file.

The specific flaw exists within BB FlashBack Recorder.dll. Uninitialized
pointers may be passed as arguments to InsertMarker() which in turn can
allow an attacker to corrupt memory in a controlled fashion. This
behavior can be exploited to remotely execute arbitrary code in the
context of the user running the browser.

• – Vendor Response:

IBM has issued an update to correct this vulnerability. More details can
be found at:

http://www.ibm.com/support/docview.wss?uid=swg21576352

• – Disclosure Timeline:
  2011-06-29 - Vulnerability reported to vendor

2012-02-08 - Coordinated public release of advisory

• – Credit:
  This vulnerability was discovered by:

• Andrea Micalizzi aka rgod

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